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Machine Head, a Clojure MQTT Client

Machine Head is a Clojure MQTT client.

Project Goals

  • Cover all (or nearly all) MQTT v3 features
  • Be well documented
  • Be well tested
  • Provide a convenient API
  • Don't introduce a lot of latency and throughput overhead


Machine Head has a mailing list. Feel free to join it and ask any questions you may have.

To subscribe for announcements of releases, important changes and so on, please follow @ClojureWerkz on Twitter.

Project Maturity

Machine Head is very young and incomplete. It is currently not useful to anyone but the author.


Machine Head artifacts are released to Clojars. If you are using Maven, add the following repository definition to your pom.xml:


The Most Recent Release

With Leiningen:

[clojurewerkz/machine_head "1.0.0-SNAPSHOT"]

With Maven:


Documentation & Examples

Machine Head API is very unstable at the moment. It's not yet time to work on documentation.

Supported MQTT Broker Implementations

Machine Head is tested against RabbitMQ with MQTT plugin and Mosquito.

Supported Clojure Versions

Machine Head requires Clojure 1.4+.

Continuous Integration Status

Continuous Integration status

Machine Head Is a ClojureWerkz Project

Machine Head is part of the group of Clojure libraries known as ClojureWerkz, together with

and several others.


Machine Head uses Leiningen 2. Make sure you have it installed and then run tests against supported Clojure versions using

lein2 all test

Then create a branch and make your changes on it. Once you are done with your changes and all tests pass, submit a pull request on GitHub.


Copyright (C) 2013 Michael S. Klishin, Alex Petrov, and the ClojureWerkz Team.

Double licensed under the Eclipse Public License (the same as Clojure) or the Apache Public License 2.0.

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